Common Java Programming Challenges for 2024

10

1. Reverse a String without using String’s reverse method

This challenge tests your ability to manipulate strings and understand basic algorithms.

Looking to sharpen your Java skills at no cost?

You'll need to devise an algorithm to efficiently identify prime numbers within an array.

2. Determine Prime Numbers in an Array

Looking to sharpen your Java skills at no cost?

Assess your understanding of design patterns by creating a singleton class that ensures only one instance of the class exists.

3. Implement a Singleton Class

Looking to sharpen your Java skills at no cost?

This task involves generating MD5 hashes for given inputs, which is useful for secure data transmission and storage.

4. MD5 Hash Generator

Looking to sharpen your Java skills at no cost?

Test your grasp of Java 8's features by implementing lambda expressions for functional programming tasks.

5. Lambda Expressions

Looking to sharpen your Java skills at no cost?

Demonstrate your understanding of recursion and dynamic programming by printing the nth Fibonacci number.

6. Print nth Fibonacci number

Looking to sharpen your Java skills at no cost?

Write a program that checks whether an array contains consecutive numbers or not, assessing your problem-solving skills and array manipulation.

7. Consecutive Numbers Checker

Looking to sharpen your Java skills at no cost?

Develop an algorithm to locate and extract hexadecimal codes within a string, emphasizing string manipulation and regular expressions.

8. Find Hex Code in a String

Looking to sharpen your Java skills at no cost?

Create a program that finds the maximum product of two integers within an array, enhancing your algorithmic thinking and problem-solving abilities.

9. Product Maximizer

Looking to sharpen your Java skills at no cost?

Implement a translator that converts English text to Pig Latin, which involves string manipulation and understanding of language transformation rules.

Looking to sharpen your Java skills at no cost?

10. Pig Latin Translator

Are you  Eager to become a Java expert?

With InterviewBit's Java Problems, you can hone your skills and become an expert for free!  So, what's holding you back?

Elevate your Java Porgramming Skills with Scaler!

Sign up for Scaler's free masterclasses and events to learn about the latest trends in the IT industry and become a pro.  Don't hesitate any longer, register today!